Snow-plow.



F. J. HAYWARD.

SNOW PLOW.

APPLIOATIQN FILED Nov. 15, 1910.

Patented Apr. 2, 1912. 7 vm 2 SHEETS-SHEET 1.

INVENTO'R 1 warf! F. J. HAYWARD.

, SNOW PLOW.

APPLIGATION FILED Nov. 15, 1910.

Patented Apr. 2, 1912.

2 SHEETS-SHEET 2.

i, m. #afg/.uffa

WITNESSES f /f Y6 Azforneysw FRANK J'. HAYWARD, OF SPENCER, WISCONSIN.

snow-PLOW.

Speccation of-Letters Patent.

Patented Apr. 2, 1912.

Application filed November` 115, 1910. Serial No. 592,437.

To all whom it may conce/m:

Be it known that I, FRANK J. HAYWARD, a citizen of the United States, residing'at Spencer, in the county of Marathon and State of Wisconsin, have invented certain new and useful Improvements in Snow- Plows; and I do hereby declare the followi board or plo-w for moving the snow to the edges of the trackway and additional means for moving the snow out of the path of the fianges of the wheels.

A further object is to provide a tongue by means of which the snow plowl maybe propelled, one end of the tongue having means for adjustably attaching the tongue to the draw head of an engine and A further object is to provide wings and pivotally secure the same at the edges of the mold board, said wings having means attached thereto for moving the free ends thereof inwardly or outwardly.

AOther objects and advantages will be hereinafter set forth and pointed out in the specification. A

In the accompanying drawings, which are made a part .of this application, Figure 1` is a top plan view of the snow plow complete, showing the coupling for attaching the same to the draw head of an engine. Fig. 2 is a sectional view as seen on line 2 2, Fig. 1. Figs. 3 and 4C are detail ,plan views of the ends of the bars employed for moving the wings inwardly or outwardly, and Fig. 5 is a plan view of one of the pinions to coperate with the racks on said bars. Fig. 6 is a sectional view as seen on line 6 6 of Fig. 1. f

Referring to the drawings in which similar reference numerals designate corresponding parts throughout the several views, 1 indicates the frame of my improved plow, which is mounted upon an axle 2, the opposite ends of said axle 2 being received in the bearing 21 carried by the side beams 11 of the frame 1, the axle 2 having wheels 3 rigidly secured thereon which are adapted to travel upon the track 4L.

Attached to the forward portion ofthe frame 1 isa mold board 5, which inclines from front to rear and also extends at an angle laterally so that the snow when coming in Contact therewith will travel outwardly to a point beyond the track rails. Secured to the portion 1a of the frame work below the mold board are sockets 6, in which are slidably mounted plates 7 ,j which plates are adapted to be lowered to a point below the lower edge of the mold board and are positioned sufficiently near the inner faces of the track railsas to remove the snow, etc., adjacent the track rails, thereby obviating any possibility of the snow backing between the track rails and the flanges of the wheels. The plates are raised and lowered through the medium of a lever 8,.which is pivotally mounted on the frame 1 and has the usual form of latch 9, which coperates with a segmental rack 1() and by means of which the plates may be extended below the mold board at varying distances. The frame 1 has attached thereto in any preferred manner 'a rearwardly extending tongue 11, the free end of which is provided with a threaded sleeve 12, which sleeve is pivotally secured to the end of the tongue. Coperating with the sleeve 12 is a threaded bolt 13, the ends of which extend through the arms of a yokey 14, said yoke being adapted to be pivotally secured to t-he draw head of an engine or other parts of a train. The sleeve 12 is of less length than the distance between the arms of the yoke so that by turning the bolt 13 the edge of the mold board may be adjusted toward or from the track rails.

I-Iingedly secured at the rear side edges of the mold board 5 are wings 15, which are adapted to be swung outwardly to increase the/ path made by the plow through the snow and the outward swinging movement of said wings is controlled by means of thrust bars 16 and 17, which are pivotally connected at their ends to the inner faces of the wings, while the inner ends thereof overlap each other and project through a housing 18 carried by the tongue 11. The overlapping ends of the bars are provided with elongated slots 19 and 20, respectively, one inner face of each kslot having teeth 21 and 22, respectively, the teeth of the bar 16 being at one side of the slot, while the teeth of the bar 17 are parallel with and opposite the teeth of the bar 16.

Extending transversely through the tongue 1l and the housing 18 is a crank shaft 23 and on that portion of the shaft extending through the housing are placed gears 24C and 25, which coperate respectively with the teeth 2l and 22 of the thrust bars, and in view of the fact that said teeth are opposed to each other, the bars will be simultaneously moved inwardly or outwardly when the shaft .is rotated. The upper end of the shaft terminates in a crank 26 by means of which the shaft and gears thereon may be rotated and in order to prevent reverse rotation of the shaft, except when so desired, a ratchet 27 is attached to the shaft and coperating therewith is a latch 28 mounted on the tongue 11, and it will be readily seen that as long as the latch is in engagement with the ratchetl the shaft will be held against rot-ation in one direction, thus holding the thrust bars in their extended positions. When the wings are extended, should for any reason the plow be moved rearwardly, the latch 28 is manually released from the ratchet 27 and the shaft 23 rotated to swing the wings inwardly, thereby obviating any possibility of the wings gathering any snow and moving it back on the track.

This device can be readily attached to a train and in view of the pivotal connection of the tongue with the sleeve and the draw head, the plow will readily travel around curves or over uneven places in the trackway, without affecting the action of the plow. It will likewise be seen that the plow can be quickly disconnected from the draw head and removed to a side track or other position when there is no further use for the same, that the path made by the plow may be readily increased by swinging the wings outwardly as described and that the end of the tongue may be readily adjusted to adjust the lower edge of the mold board with respect to the track way.

What I claim is:

l. A snow plow, comprising the combination with a frame, an axle and supporting wheels therefor, of a mold board carried by the frame, wings hingedly secured at the Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, l

board, thrust bars pivoted to the wings, a

housingcarried by the tongue through which the inner ends of the thrust bars extend, the overlapping ends of the thrust bars having slots, teeth along one edge of each slot, the teeth of one slot being opposed to the teeth of the other slot, gears coperating with said teeth, a shaft carrying said gears and a crank by means of which said shaft may be rotated.

3. In a snow plow the combination with a frame, supporting wheels therefor, a mold board carried by the frame, a tongue attached at one end to the frame, a threaded sleeve pivoted to the opposite end of the tongue, a yoke by means of which the tongue may be attached to a propelling means and a threaded bolt carried by the yoke and eX- tending through said sleeve for adjusting the tongue upwardly or downwardly.

4. In a snow plow the combination with a frame and supporting wheels therefor, of a mold board attached to the frame, of wings hinged to the frame and the edge of the mold board, thrust bars attached to said wings, means engaging the inner ends of the thrust bars to move the same endwise, a tongue attached to the frame, sockets secured on the under side of said frame, plates slidably mounted in said sockets and a lever positioned upon said tongue for adjusting said plates.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

FRANK J. HAYWARD.

Witnesses:

F. D. GooDIN, L. B. YOUNG.

Washington, D. G.4 

